Which is an example of centripetal acceleration? an object at rest
an object moving in a circle at 20 m/s
an object moving at 20 m/s backward, then 20 m/s to the right
an object moving in a straight line at a steady speed of 20 m/s forward

Effect of rotenone and antimycin a on electron transfer rotenone, a toxic natural product from plants, strongly inhibits nadh dehydrogenase of insect and fish mitochondria. antimycin a, a toxic antibiotic, strongly inhibits the oxidation of ubiquinol. (a) explain why rotenone ingestion is lethal to some insect and fish species. (b) explain why antimycin a is a poison. (c) given that rotenone and antimycin a are equally effective in blocking their respective sites in the electron-transfer chain, which would be a more potent poison? explain.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as